| Santa Marinella to Marco de Canavezes | 1,032.54 mi (1,661.71 km) |
| Santa Marinella to Marinha Grande | 1,094.16 mi (1,760.89 km) |
| Santa Marinella to Massama | 1,131.35 mi (1,820.72 km) |
| Santa Marinella to Matosinhos | 1,060.71 mi (1,707.04 km) |
| Santa Marinella to Mealhada | 1,058.82 mi (1,704.01 km) |
| Santa Marinella to Melgaco | 1,029.32 mi (1,656.53 km) |
| Santa Marinella to Melres | 1,046.76 mi (1,684.60 km) |
| Santa Marinella to Mira | 1,072.60 mi (1,726.18 km) |
| Santa Marinella to Miranda do Corvo | 1,057.35 mi (1,701.64 km) |
| Santa Marinella to Mirandela | 979.60 mi (1,576.52 km) |
| Santa Marinella to Mogadouro | 957.40 mi (1,540.79 km) |
| Santa Marinella to Moimenta da Beira | 1,007.54 mi (1,621.49 km) |
| Santa Marinella to Moita | 1,118.78 mi (1,800.50 km) |
| Santa Marinella to Moncao | 1,040.53 mi (1,674.57 km) |
| Santa Marinella to Montalegre | 1,007.55 mi (1,621.49 km) |
